A distance marking device

Abstract

This utility model discloses a gauge mark drawing device, belonging to the technical field of surveying and marking tools. The gauge mark drawing device includes a base, a boss fixedly mounted on the base, a ruler fixedly mounted on the boss, a fixing block fixedly mounted on one side of the boss, a fixing rail fixedly mounted between the two fixing blocks, and a positioning ruler set above the fixing rail. Through the coordinated use of the above devices, and with the setting of the limiting mechanism, if the position of the positioning ruler needs to be adjusted, press the pressing block to make the connecting rod rotate, thereby driving the limiting plate to disengage from under the fixing rail. At this time, the slider can slide freely on the fixing rail. After releasing the pressing block, under the combined action of the first spring and the second spring, the pressing block and the limiting plate will automatically reset, and the limiting plate will once again adhere to the bottom of the fixing rail, effectively preventing the positioning ruler from continuing to move after moving to the appropriate position, thereby improving the accuracy of the gauge mark.

Description

Technical Field

[0001] This utility model relates to the field of surveying and marking tools, specifically a gauge length drawing device. Background Technology

[0002] Metal wire is widely used in equipment manufacturing, construction, power transmission and other fields. When testing the mechanical properties of wire, it is usually required that the wire has a certain degree of straightness, which is convenient for the testing machine clamps to hold and for marking the gauge length on the wire, and can ensure the acquisition of accurate mechanical property data. However, since the finished wire is usually coiled, the cut sample has a certain curvature. In this case, it is necessary to straighten the wire before marking the gauge length.

[0003] An investigation revealed that a Chinese invention patent discloses a wire gauge marking device (publication number: CN114054637A), comprising a base, a pressure plate, a horizontal guide rod, and a straightening eccentric wheel assembly. A cuboid boss is provided on one side of the upper plane of the base. The horizontal guide rod is vertically connected to the inner side of the boss and passes through a guide hole on the pressure plate. Corresponding V-shaped slots are provided on the pressure plate and the boss, clamping the wire to be marked between the V-shaped slots. The straightening eccentric wheel assembly is mounted on the base and presses the pressure plate against the boss. The marking mechanism is mounted on the boss and corresponds to the wire.

[0004] In the aforementioned patent, by integrating straightening and marking functions into one device, and with the marking process unaffected by wire springback, the device can achieve precise marking with only one straightening operation. This not only greatly reduces the labor intensity of inspection personnel and improves work efficiency, but also provides high marking accuracy, creating favorable conditions for accurately analyzing the mechanical properties of the wire. However, the positioning ruler and slider slide on the long guide rail to adjust the marking distance. After moving to the ideal position, the positioning ruler and slider may continue to slide a small distance on the long guide rail, which may affect the accuracy of the gauge length.

[0005] Therefore, this utility model provides a gauge mark marking device to solve the above problems. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] This invention provides a gauge mark marking device, which aims to solve the problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a gauge marking device, which includes a base, a boss fixedly mounted on the base, a ruler fixedly mounted on the boss, a fixing block fixedly mounted on one side of the boss, a fixing rail fixedly mounted between the two fixing blocks, a positioning ruler disposed above the fixing rail, a slider slidably mounted on the fixing rail, a control groove formed inside the slider, and a limiting mechanism disposed inside the control groove for limiting the slider.

[0010] The limiting mechanism includes a pressing block slidably installed inside the control groove, a limiting plate slidably installed inside the control groove, a connecting rod rotatably installed inside the control groove, and a first spring and a second spring disposed inside the control groove.

[0011] As a preferred technical solution of this application, the bottom of the positioning ruler is fixedly connected to the top of the slider, the limiting plate passes through the control groove, the top of the limiting plate is in contact with the bottom of the fixed rail, one end of the connecting rod is hinged to one side of the pressing block, and the other end of the connecting rod is hinged to one side of the limiting plate.

[0012] As a preferred technical solution of this application, one end of the second spring is fixedly connected to the top of the pressing block, and the other end of the second spring is fixedly connected to the inner wall of one side of the control groove. One end of the first spring is fixedly connected to the top of the pressing block, and the other end of the first spring is fixedly connected to the bottom of the limiting plate.

[0013] As a preferred technical solution of this application, a first guide rod is fixedly connected to the top of the pressing block, and a guide groove is provided inside the slider for the first guide rod to slide.

[0014] As a preferred technical solution of this application, a pressure plate is slidably connected to the top of the base, a protrusion is fixedly connected to one side of the pressure plate, and a groove is provided on one side of the protrusion for the protrusion to slide.

[0015] As a preferred technical solution of this application, a second guide rod is fixedly connected inside the groove, the second guide rod passes through the pressure plate, and an installation groove is provided on one side of the boss.

[0016] As a preferred technical solution of this application, multiple mounting slots are provided, and the mounting slots are arranged in a linear array on the boss. Each mounting slot is provided with a third spring inside.

[0017] As a preferred technical solution of this application, one end of the third spring is fixedly connected to the inner wall of one side of the mounting groove, and the other end of the third spring is fixedly connected to one side of the pressure plate.

[0018] As a preferred technical solution of this application, the top of the base is fixedly connected to a connecting column, and the side surfaces of the two connecting columns are respectively fixedly and rotatably connected to a positioning eccentric wheel and a straightening eccentric wheel. The side surfaces of the positioning eccentric wheel and the straightening eccentric wheel are both fixedly connected to a handle.

[0019] As a preferred technical solution of this application, the side surface of the positioning eccentric wheel is in contact with one side of the boss, and the side surface of the straightening eccentric wheel is in contact with the side of the pressure plate away from the boss.

[0020] (III) Beneficial Effects

[0021] This utility model has a simple structure and is easy to use. With the setting of the limiting mechanism, if the position of the positioning ruler needs to be adjusted, press the pressing block to make the connecting rod rotate, thereby driving the limiting plate to disengage from under the fixed rail. At this time, the slider can slide freely on the fixed rail. After releasing the pressing block, under the combined action of the first spring and the second spring, the pressing block and the limiting plate will automatically reset, and the limiting plate will once again fit against the bottom of the fixed rail, effectively preventing the positioning ruler from continuing to move after moving to the appropriate position, thereby improving the accuracy of the gauge length. Attached Figure Description

[0022] Figure 1 A schematic diagram of a gauge mark marking device. Figure 1 ;

[0023] Figure 2 A schematic diagram of a gauge mark marking device. Figure 2 ;

[0024] Figure 3 This is a cross-sectional schematic diagram of a slider in a gauge mark drawing device;

[0025] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0026] Figure 5 This is a schematic diagram of the installation of the third spring in a gauge mark marking device;

[0027] Figure 6 This is a schematic diagram of the installation of a positioning ruler in a gauge marking device.

[0028] In the picture:

[0029] 1. Base; 2. Boss; 3. Ruler; 4. Fixing block; 5. Fixing rail; 6. Positioning ruler; 7. Slider; 8. Pressing block; 9. Limiting plate; 10. Connecting rod; 11. First spring; 12. Second spring; 13. First guide rod; 14. Guide groove; 15. Pressure plate; 16. Protrusion; 17. Groove; 18. Second guide rod; 19. Mounting groove; 20. Third spring; 21. Connecting column; 22. Positioning eccentric wheel; 23. Straightening eccentric wheel; 24. Handle. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] This utility model provides a gauge mark marking device, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, the gauge marking device includes a base 1, a boss 2 fixedly mounted on the base 1, a ruler 3 fixedly mounted on the boss 2, a fixing block 4 fixedly mounted on one side of the boss 2, a fixing rail 5 fixedly mounted between the two fixing blocks 4, a positioning ruler 6 set above the fixing rail 5, a slider 7 slidably mounted on the fixing rail 5, a control groove opened inside the slider 7, and a limiting mechanism set inside the control groove for limiting the slider 7.

[0032] The limiting mechanism includes a pressing block 8 that is slidably installed inside the control groove, a limiting plate 9 that is slidably installed inside the control groove, a connecting rod 10 that is rotatably installed inside the control groove, and a first spring 11 and a second spring 12 that are disposed inside the control groove.

[0033] The bottom of the positioning ruler 6 is fixedly connected to the top of the slider 7. The limiting plate 9 passes through the control groove. The top of the limiting plate 9 is in contact with the bottom of the fixed rail 5. One end of the connecting rod 10 is hinged to one side of the pressing block 8, and the other end of the connecting rod 10 is hinged to one side of the limiting plate 9.

[0034] One end of the second spring 12 is fixedly connected to the top of the pressing block 8, and the other end of the second spring 12 is fixedly connected to the inner wall of one side of the control groove. One end of the first spring 11 is fixedly connected to the top of the pressing block 8, and the other end of the first spring 11 is fixedly connected to the bottom of the limiting plate 9.

[0035] When using this gauge mark device, first place the base 1 in a suitable position. Then, the user can adjust the position of the positioning ruler 6 according to actual needs. By pushing the slider 7 to slide on the fixed rail 5, the positioning ruler 6 moves accordingly until the desired gauge length position is reached. During this process, when the slider 7 moves to the appropriate position, the limiting plate 9 automatically engages with the bottom of the fixed rail 5 under the action of the connecting rod 10, thus achieving a stable fixation of the positioning ruler 6. At this time, the positioning ruler 6 is aligned with the scale on the ruler 3, and the user can clearly read the gauge length value. If the position of the positioning ruler 6 needs to be adjusted, simply press the pressing block. 8. Rotate the connecting rod 10 to disengage the limiting plate 9 from under the fixed rail 5. At the same time, the slider 7 can slide freely on the fixed rail 5. After releasing the pressing block 8, the pressing block 8 and the limiting plate 9 automatically reset under the action of the first spring 11 and the second spring 12, ready for the next limiting operation. In addition, the boss 2 of the gauge marking device is reasonably designed, which allows the scale 3, the fixing block 4, the fixed rail 5 and other components to be installed stably, ensuring the stability and reliability of the entire device. At the same time, the connection between the various components is tight, reducing shaking and errors during use and improving the accuracy of gauge measurement.

[0036] Furthermore, in order to guide the sliding of the pressing block 8, such as Figure 1 , Figure 3 , Figure 4 and Figure 6 As shown, a first guide rod 13 is fixedly connected to the top of the pressing block 8, and a guide groove 14 is provided inside the slider 7 for the first guide rod 13 to slide.

[0037] When in use, the pressing block 8 slides smoothly along the guide groove 14 under the guidance of the first guide rod 13, which enhances the stability of the pressing block 8 during movement and ensures that the connecting rod 10 can rotate smoothly. This, in turn, drives the limiting plate 9 to accurately engage or disengage from the fixed rail 5, improving the smoothness of operation and the accuracy of positioning. At the same time, the cooperation between the first guide rod 13 and the guide groove 14 effectively prevents the pressing block 8 from shifting or shaking when under force, further enhancing the structural strength and measurement accuracy of the entire gauge length marking device.

[0038] In order to securely clamp the metal wire, such as Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a pressure plate 15 is slidably connected to the top of the base 1, a protrusion 16 is fixedly connected to one side of the pressure plate 15, and a groove 17 for the protrusion 16 to slide is provided on one side of the protrusion 2.

[0039] A second guide rod 18 is fixedly connected inside the groove 17. The second guide rod 18 passes through the pressure plate 15. An installation groove 19 is provided on one side of the boss 2.

[0040] Multiple mounting slots 19 are provided, and the mounting slots 19 are arranged in a linear array on the boss 2. Each mounting slot 19 is provided with a third spring 20 inside.

[0041] One end of the third spring 20 is fixedly connected to the inner wall of one side of the mounting groove 19, and the other end of the third spring 20 is fixedly connected to one side of the pressure plate 15.

[0042] When using this gauge marking device, the metal wire to be marked is first placed on the protrusion 16. Then, an external force is applied to the pressure plate 15. Guided by the second guide rod 18, the pressure plate 15 slides smoothly along the groove 17. Under the constraint of the groove 17, the protrusion 16 ensures that the pressure plate 15 can only move along the preset path. This greatly enhances the stability and controllability of the pressure plate 15 during movement. While moving, the third spring 20 is squeezed until the protrusion 2 and the pressure plate 15 clamp and fix the metal wire. Then, the gauge mark is drawn by moving the ruler 3. After the drawing is finished, the external force is released. Through the elastic potential energy of the third spring 20, the pressure plate 15 can quickly return to its original position, ready for the next operation. This design not only improves the convenience of operation, but also ensures that the gauge marking device can maintain high accuracy and stability during use.

[0043] Furthermore, to facilitate control of the movement of the pressure plate 15, such as... Figure 1 , Figure 2 and Figure 3 As shown, a connecting column 21 is fixedly connected to the top of the base 1. The side surfaces of the two connecting columns 21 are respectively fixedly and rotatably connected to a positioning eccentric wheel 22 and a straightening eccentric wheel 23. A handle 24 is fixedly connected to the side surfaces of both the positioning eccentric wheel 22 and the straightening eccentric wheel 23.

[0044] The side surface of the positioning eccentric wheel 22 is in contact with one side of the boss 2, and the side surface of the straightening eccentric wheel 23 is in contact with the side of the pressure plate 15 away from the boss 2.

[0045] When in use, the gauge marking device can be driven to rotate synchronously by turning the handle 24, which drives the positioning eccentric wheel 22 and the straightening eccentric wheel 23. The rotation of the positioning eccentric wheel 22 can clamp the metal wire, while the rotation of the straightening eccentric wheel 23 can apply a stable straightening force to the pressure plate 15, helping the metal wire to maintain a straight state during clamping and further improving the accuracy of gauge marking. This design not only simplifies the operation process, but also achieves precise control of the gauge marking device through the ingenious cooperation of the mechanical structure, greatly improving work efficiency and product quality.

[0046] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A gauge mark marking device, characterized in that: The gauge marking device includes a base (1), a boss (2) fixedly mounted on the base (1), a ruler (3) fixedly mounted on the boss (2), a fixing block (4) fixedly mounted on one side of the boss (2), a fixing rail (5) fixedly mounted between the two fixing blocks (4), a positioning ruler (6) set above the fixing rail (5), a slider (7) slidably mounted on the fixing rail (5), a control groove opened inside the slider (7), and a limiting mechanism set inside the control groove for limiting the slider (7); The limiting mechanism includes a pressing block (8) slidably installed inside the control groove, a limiting plate (9) slidably installed inside the control groove, a connecting rod (10) rotatably installed inside the control groove, and a first spring (11) and a second spring (12) disposed inside the control groove.

2. The gauge mark marking device according to claim 1, characterized in that: The bottom of the positioning ruler (6) is fixedly connected to the top of the slider (7), the limiting plate (9) passes through the control groove, the top of the limiting plate (9) is in contact with the bottom of the fixed rail (5), one end of the connecting rod (10) is hinged to one side of the pressing block (8), and the other end of the connecting rod (10) is hinged to one side of the limiting plate (9).

3. The gauge mark marking device according to claim 2, characterized in that: One end of the second spring (12) is fixedly connected to the top of the pressing block (8), and the other end of the second spring (12) is fixedly connected to the inner wall of one side of the control groove. One end of the first spring (11) is fixedly connected to the top of the pressing block (8), and the other end of the first spring (11) is fixedly connected to the bottom of the limiting plate (9).

4. The gauge mark marking device according to claim 3, characterized in that: The top of the pressing block (8) is fixedly connected to a first guide rod (13), and the slider (7) has a guide groove (14) inside for the first guide rod (13) to slide.

5. The gauge mark marking device according to claim 1, characterized in that: A pressure plate (15) is slidably connected to the top of the base (1), and a protrusion (16) is fixedly connected to one side of the pressure plate (15). A groove (17) is provided on one side of the protrusion (2) for the protrusion (16) to slide.

6. The gauge mark marking device according to claim 5, characterized in that: A second guide rod (18) is fixedly connected inside the groove (17), and the second guide rod (18) passes through the pressure plate (15). An installation groove (19) is provided on one side of the boss (2).

7. A gauge mark marking device according to claim 6, characterized in that: The mounting slots (19) are provided in multiple ways and are arranged in a linear array on the boss (2). Each mounting slot (19) is provided with a third spring (20).

8. The gauge mark marking device according to claim 7, characterized in that: One end of the third spring (20) is fixedly connected to the inner wall of one side of the mounting groove (19), and the other end of the third spring (20) is fixedly connected to one side of the pressure plate (15).

9. A gauge mark marking device according to claim 5, characterized in that: The top of the base (1) is fixedly connected to a connecting column (21), and the side surfaces of the two connecting columns (21) are respectively fixedly and rotatably connected to a positioning eccentric wheel (22) and a straightening eccentric wheel (23). The side surfaces of the positioning eccentric wheel (22) and the straightening eccentric wheel (23) are both fixedly connected to a handle (24).

10. A gauge mark marking device according to claim 9, characterized in that: The side surface of the positioning eccentric wheel (22) is in contact with one side of the boss (2), and the side surface of the straightening eccentric wheel (23) is in contact with the side of the pressure plate (15) away from the boss (2).

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